Merge branch 'nltk:develop' into fix-3432

Author: ekaf

AUTHORS.md

@@ -1,3 +1,20 @@
+Version 3.9.4 2026-03-24
+* Support Python 3.14
+* Fix bug in Levenshtein distance when substitution_cost > 2
+* Fix bug in Treebank detokeniser re quote ordering
+* Fix bug in Jaro similarity for empty strings
+* Several security enhancements
+* Fix GHSA-rf74-v2fm-23pw: unbounded recursion in JSONTaggedDecoder
+* Implement TextTiling vocabulary introduction method (Hearst 1997)
+* Fix ALINE feature matrix errors and add comprehensive tests
+* Support multiple VerbNet versions, fix longid/shortid regex for VerbNet ids
+* Let downloader fallback to md5 when sha256 is unavailable
+* Several other minor bugfixes and code cleanups
+
+Thanks to the following contributors to 3.9.4:
+Min-Yen Kan, Eric Kafe, Emily Voss, bowiechen, Hrudhai01,
+jancallewaert, Mr-Neutr0n, pollak.peter89, ylwango613, 
+
 Version 3.9.3 2026-02-21
 
 * Fix CVE-2025-14009: secure ZIP extraction in nltk.downloader (#3468)

ChangeLog

@@ -1,6 +1,6 @@
 # Natural Language Toolkit: source Makefile
 #
-# Copyright (C) 2001-2025 NLTK Project
+# Copyright (C) 2001-2026 NLTK Project
 # Author: Steven Bird <stevenbird1@gmail.com>
 #	 Edward Loper <edloper@gmail.com>
 # URL: <https://www.nltk.org/>

Makefile

@@ -29,7 +29,7 @@ Building an NLTK distribution
 
 3. Build Documentation
    - Check the copyright year is correct and update if necessary
-     e.g. ./tools/global_replace.py 2001-2022 2001-2025
+     e.g. ./tools/global_replace.py 2001-2026 2001-2026
      check web/conf.py copyright line
    - Check that installation instructions are up-to-date
      (including the range of Python versions that are supported)

README.md

@@ -1 +1 @@
-3.9.3
+3.9.4

RELEASE-HOWTO.txt

@@ -1,6 +1,6 @@
 # Natural Language Toolkit (NLTK)
 #
-# Copyright (C) 2001-2025 NLTK Project
+# Copyright (C) 2001-2026 NLTK Project
 # Authors: Steven Bird <stevenbird1@gmail.com>
 #          Edward Loper <edloper@gmail.com>
 # URL: <https://www.nltk.org/>
@@ -43,7 +43,7 @@
 
 # Copyright notice
 __copyright__ = """\
-Copyright (C) 2001-2025 NLTK Project.
+Copyright (C) 2001-2026 NLTK Project.
 
 Distributed and Licensed under the Apache License, Version 2.0,
 which is included by reference.

nltk/VERSION

@@ -1,6 +1,6 @@
 # Natural Language Toolkit: Applications package
 #
-# Copyright (C) 2001-2025 NLTK Project
+# Copyright (C) 2001-2026 NLTK Project
 # Author: Edward Loper <edloper@gmail.com>
 #         Steven Bird <stevenbird1@gmail.com>
 # URL: <https://www.nltk.org/>

nltk/__init__.py

@@ -1,6 +1,6 @@
 # Natural Language Toolkit: Chart Parser Application
 #
-# Copyright (C) 2001-2025 NLTK Project
+# Copyright (C) 2001-2026 NLTK Project
 # Author: Edward Loper <edloper@gmail.com>
 #         Jean Mark Gawron <gawron@mail.sdsu.edu>
 #         Steven Bird <stevenbird1@gmail.com>

nltk/app/__init__.py

@@ -1,6 +1,6 @@
 # Natural Language Toolkit: Regexp Chunk Parser Application
 #
-# Copyright (C) 2001-2025 NLTK Project
+# Copyright (C) 2001-2026 NLTK Project
 # Author: Edward Loper <edloper@gmail.com>
 # URL: <https://www.nltk.org/>
 # For license information, see LICENSE.TXT